The residual solvent of drug is one of the key indicators of drug quality control,for low residual solvents,choosing the conditions is the key to determination all the organic solvents.

• 药物中的残留溶剂为原料药物质量控制的主要指标之一,由于残留量很低,要想检出所有可能存在的有机溶剂,选择测定条件是关键。